“DOTAL” is a valid word. — 6 points Scrabble

toldexpress in words
loadweight to be borne or conveyed
toadany of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species
altoa singer whose voice lies in the alto clef
dolta person who is not very bright
dato
lotaa globular water bottle used in Asia
tola
doat

oldpast times (especially in the phrase `in days of old')
lot(often followed by `of') a large number or amount or extent
lada boy or man
dota very small circular shape
tada slight amount or degree of difference
taoan adherent of any branch of Taoism
toda unit of weight for wool equal to about 28 pounds
adoa rapid active commotion
dala metric unit of volume or capacity equal to 10 liters
lata broad flat muscle on either side of the back
oatannual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')
altangular distance above the horizon (especially of a celestial object)
dola unit of pain intensity

to
doan uproarious party
ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ala silvery ductile metallic element found primarily in bauxite
ada public promotion of some product or service
lo
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
oda doctor's degree in optometry

DOTAL